0.75 out c cell with a Vm of-90 mV must be using this/these kind(s) of channel(s

Question

0.75 out c cell with a Vm of-90 mV must be using this/these kind(s) of channel(s) in its membrane: (select all that apply) Passive K+ channels Voltage-gated K+ channels ligand-gated K+ channels nswers: Passive Nat channels Passive K+ channels Passive Ca2+ channels Voltage-gated Na* channels Voltage-gated K* channels Voltage-gated Ca2+ channels ligand-gated Nat channels ligand-gated K+ channels ligand-gated Ca2+ channols Response Feedback: Based on the information given in the question, what is the minimal requirement of channels to achieve this?

Explanation / Answer

when cell is in hyperpolarized state means - 90 mvolt then we have to transport positive ions inside the cell.

positive charge inside the cell is transported by the help of voltage gated sodium channels and voltage gated potassium channels.

when change in voltage occurs then these channels opens up and transport Sodium and potassium ions into the cell.

this transports maintains the action potential of the cell to - 17 mvolt.

still cannot tolerate higher concentration of sodium and Calcium.

calcium cannot go inside and sodium which is entered through sodium channel is transported back to the outside of the cell by the help of Sodium Potassium pump.

Sodium Potassium pump transport in sodium and outside the cell and 2 potassium ion inside the cell.

So the answer is:

voltage gated sodium channel

voltage gated potassium channel

passive potassium channel

Sodium Potassium pump

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